101602ab11
Gluster provisioner is interested in pvc.Namespace and I don't want to add at as a new field in VolumeOptions - it would contain almost whole PVC. Let's pass direct reference to PVC instead and let the provisioner to pick information it is interested in.
97 lines
2.4 KiB
Go
97 lines
2.4 KiB
Go
/*
|
|
Copyright 2016 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package flocker
|
|
|
|
import (
|
|
"fmt"
|
|
"time"
|
|
|
|
"k8s.io/kubernetes/pkg/api"
|
|
"k8s.io/kubernetes/pkg/util/rand"
|
|
"k8s.io/kubernetes/pkg/volume"
|
|
|
|
flockerApi "github.com/clusterhq/flocker-go"
|
|
"github.com/golang/glog"
|
|
)
|
|
|
|
type FlockerUtil struct{}
|
|
|
|
func (util *FlockerUtil) DeleteVolume(d *flockerVolumeDeleter) error {
|
|
var err error
|
|
|
|
if d.flockerClient == nil {
|
|
d.flockerClient, err = d.plugin.newFlockerClient("")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
datasetUUID, err := d.GetDatasetUUID()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return d.flockerClient.DeleteDataset(datasetUUID)
|
|
}
|
|
|
|
func (util *FlockerUtil) CreateVolume(c *flockerVolumeProvisioner) (datasetUUID string, volumeSizeGB int, labels map[string]string, err error) {
|
|
|
|
if c.flockerClient == nil {
|
|
c.flockerClient, err = c.plugin.newFlockerClient("")
|
|
if err != nil {
|
|
return
|
|
}
|
|
}
|
|
|
|
nodes, err := c.flockerClient.ListNodes()
|
|
if err != nil {
|
|
return
|
|
}
|
|
if len(nodes) < 1 {
|
|
err = fmt.Errorf("no nodes found inside the flocker cluster to provision a dataset")
|
|
return
|
|
}
|
|
|
|
// select random node
|
|
rand.Seed(time.Now().UTC().UnixNano())
|
|
node := nodes[rand.Intn(len(nodes))]
|
|
glog.V(2).Infof("selected flocker node with UUID '%s' to provision dataset", node.UUID)
|
|
|
|
capacity := c.options.PVC.Spec.Resources.Requests[api.ResourceName(api.ResourceStorage)]
|
|
requestBytes := capacity.Value()
|
|
volumeSizeGB = int(volume.RoundUpSize(requestBytes, 1024*1024*1024))
|
|
|
|
createOptions := &flockerApi.CreateDatasetOptions{
|
|
MaximumSize: requestBytes,
|
|
Metadata: map[string]string{
|
|
"type": "k8s-dynamic-prov",
|
|
"pvc": c.options.PVC.Name,
|
|
},
|
|
Primary: node.UUID,
|
|
}
|
|
|
|
datasetState, err := c.flockerClient.CreateDataset(createOptions)
|
|
if err != nil {
|
|
return
|
|
}
|
|
datasetUUID = datasetState.DatasetID
|
|
|
|
glog.V(2).Infof("successfully created Flocker dataset with UUID '%s'", datasetUUID)
|
|
|
|
return
|
|
}
|